
\begingroup
\centering
\begin{tabular}{lccccc}
   \toprule
    & \multicolumn{5}{c}{Total Kjedahl Nitrogen}\\
                           & (1)             & (2)             & (3)           & (4)           & (5)\\  
   \midrule 
   ATT                     & -0.2200$^{***}$ & -0.2062$^{***}$ & -0.1556       & -0.1791       & -0.2476$^{***}$\\   
                           & (0.0413)        & (0.0631)        & (422.1)       & (538.7)       & (0.0755)\\   
    \\
   Dependent variable mean & 0.62992         & 0.54119         & 0.55028       & 0.55977       & 0.58935\\  
   Observations            & 24,980          & 2,953           & 2,702         & 2,485         & 1,964\\  
   Adjusted R$^2$          & 0.25383         & 0.48264         & 0.46951       & 0.46590       & 0.41072\\  
   Control Group           & NT              & NYT 2018        & NYT 2016-2018 & NYT 2014-2018 & NYT 2009-2018\\  
   \# HUC12                & 3,212           & 178             & 176           & 173           & 166\\  
   \# Control HUC12        & 3,034           & 8               & 24            & 35            & 78\\  
   \# Control Obs          & 21,922          & 46              & 303           & 450           & 679\\  
   \bottomrule
\end{tabular}
\par\endgroup


